| |
|
|
| d |
S |
H |
D |
每1000个钢螺母的近似重(公斤) |
| 公称尺寸 |
允差 |
公称尺寸 |
允差 |
| 粗制 |
半精制 |
| 6 |
10 |
-0.36 |
5 |
±0.48 |
±0.38 |
11.5 |
2.317 |
| 8 |
14 |
-0.43 |
6 |
16.2 |
5.674 |
| 10 |
17 |
-0.52 |
8 |
±0.58 |
±0.45 |
19.6 |
10.99 |
| 12 |
19 |
10 |
21.9 |
16.32 |
| (14) |
22 |
11 |
±0.70 |
±0.55 |
25.4 |
25.28 |
| 16 |
24 |
13 |
27.7 |
34.12 |
| (18) |
27 |
14 |
31.2 |
44.19 |
| 20 |
30 |
16 |
34.6 |
61.91 |
| (22) |
32 |
-1.00 |
18 |
36.9 |
75.94 |
| 24 |
36 |
19 |
±1.00 |
±0.65 |
41.6 |
111.90 |
| (27) |
41 |
22 |
47.3 |
168.00 |
| 30 |
46 |
24 |
53.1 |
234.20 |
| 36 |
55 |
-1.20 |
28 |
63.5 |
370.90 |
| 42 |
65 |
32 |
±1.50 |
±0.80 |
75.5 |
598.60 |
| 48 |
75 |
38 |
86.5 |
957.30 |
注：1、括号内的尺寸，尽可能不采用。
2、GB41-66生产粗牙普通螺纹（A型）；GB45-66生产粗牙和细牙普通螺纹（A型和B型）。 |
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